380427269 has 8 divisors (see below), whose sum is σ = 391041432. Its totient is φ = 369940480.

The previous prime is 380427251. The next prime is 380427277. The reversal of 380427269 is 962724083.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23406244 + 357021025 = 4838^2 + 18895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380427269 - 2²⁰ = 379378693 is a prime.

It is a super-2 number, since 2×380427269² = 289449813997596722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380427769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25772 + ... + 37749.

It is an arithmetic number, because the mean of its divisors is an integer number (48880179).

Almost surely, 2^380427269 is an apocalyptic number.

It is an amenable number.

380427269 is a deficient number, since it is larger than the sum of its proper divisors (10614163).

380427269 is a wasteful number, since it uses less digits than its factorization.

380427269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63687.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 380427269 is about 19504.5448293468. The cubic root of 380427269 is about 724.5870142582.

The spelling of 380427269 in words is "three hundred eighty million, four hundred twenty-seven thousand, two hundred sixty-nine".